--共享锁:Share:排他锁:Exclusive:行共享锁:Row-S:行排他锁:Row-X select V$SESSION.sid,v$session.SERIAL#,v$process.spid, rtrim(object_type) object_type,rtrim(owner) || '.' || object_name object_name, decode(lmode, , 'None', , 'Null', , 'Row-S', , 'Row-X', , 'Share', ,